皮皮学，免费搜题
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【单选题】
以下有关螺栓连接的说法，正确的是A.
由于钢结构会由于热胀冷缩产生变形，因此螺栓必须在现场根据构件的实际尺度来制
B.
摩擦型螺栓是目前的主流选择，但也有张拉型和承压型的
C.
摩擦型螺栓的摩擦面必须要进行磨砂处理，形成表面磨砂层，增加摩檫力
D.
普通螺栓再拧紧过程中，达到相应的扭矩指标，即为螺栓
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】We get paid for the parts we produce in a day
A.
well
B.
by piece rate
C.
by peace work
D.
for the work A
【单选题】Choose the word that means the same as the underlined part. We get paid for the parts we produc e in a day .
A.
well
B.
by piece rate
C.
by peace work
D.
for the work
【单选题】Choose the correct answer to replace the underlined words. We get paid for the parts we produced in a day.
A.
well
B.
by piece rate
C.
by peace work
D.
for the work
【单选题】We get paid for the parts we produce in a day .
A.
well
B.
by piece rate
C.
by peace work
D.
for the work
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